Question

esboce o gráfico de cos(x/2)

Answer 1

cos(-$\pi$/2)/2=0/2
cos(0)/2=1/2
cos($\pi$/2)/2=0/2
cos($\pi$/2=-1/2
cos(3$\pi$/2)/2=0/2
cos(2$\pi$)/2=1/2

valor max=0,5
valor min=-0,5

grafico corta=$\pi$/2, 3$\pi$/2, 5$\pi$/2